A Navy captain who as head of a jury in a war-crimes court wrote a damning letter calling the C.I.A.’s torture of a terrorist “a stain on the moral fiber of America” said his views are typical of senior members of the U.S. military. Capt. Scott B. Curtis, the jury foreman, said it is just that he had the opportunity to express his thoughts in a letter proposing clemency for the prisoner Majid Khan, a Qaeda recruit who pleaded guilty to terrorism and murder charges for delivering $50,000 from his native Pakistan to finance a deadly bombing in Indonesia. But...